diff --git a/src/vs/code/node/sharedProcessMain.ts b/src/vs/code/node/sharedProcessMain.ts
index 36e367654aec025263568afd546ce8d6818290ca..a3ceb02679ebce8aaeedb6e5ca195c89d75d5d3e 100644
--- a/src/vs/code/node/sharedProcessMain.ts
+++ b/src/vs/code/node/sharedProcessMain.ts
@@ -30,8 +30,10 @@ import { TelemetryAppenderChannel } from 'vs/platform/telemetry/common/telemetry
 import { TelemetryService, ITelemetryServiceConfig } from 'vs/platform/telemetry/common/telemetryService';
 import { AppInsightsAppender } from 'vs/platform/telemetry/node/appInsightsAppender';
 import { ISharedProcessInitData } from './sharedProcess';
+import {IChoiceService} from 'vs/platform/message/common/message';
+import {ChoiceChannelClient} from 'vs/platform/message/common/messageIpc';
 import { WindowEventChannelClient } from 'vs/code/common/windowsIpc';
-import { IWindowEventService } from 'vs/code/common/windows';
+import { IWindowEventService, ActiveWindowManager } from 'vs/code/common/windows';
 
 function quit(err?: Error) {
 	if (err) {
@@ -71,6 +73,13 @@ function main(server: Server, initData: ISharedProcessInitData): void {
 	}));
 	services.set(IWindowEventService, windowEventService);
 
+	const activeWindowManager = new ActiveWindowManager(windowEventService);
+	services.set(IChoiceService, new ChoiceChannelClient(server.getChannel('choice', {
+		routeCall: (command: any, arg: any) => {
+			return activeWindowManager.activeWindowId;
+		}
+	})));
+
 	const instantiationService = new InstantiationService(services);
 
 	instantiationService.invokeFunction(accessor => {
@@ -146,7 +155,7 @@ function setupIPC(hook: string): TPromise<Server> {
 					} catch (e) {
 						return TPromise.wrapError(new Error('Error deleting the shared ipc hook.'));
 					}
-					
+
 					return setup(false);
 				}
 			);
diff --git a/src/vs/workbench/services/message/common/messageIpc.ts b/src/vs/platform/message/common/messageIpc.ts
similarity index 62%
rename from src/vs/workbench/services/message/common/messageIpc.ts
rename to src/vs/platform/message/common/messageIpc.ts
index 1a7c86aaef427c9b4a56f381059a7a0942828fe4..c36980b2eaf1f5d14633d6550e822d0a4a70edf6 100644
--- a/src/vs/workbench/services/message/common/messageIpc.ts
+++ b/src/vs/platform/message/common/messageIpc.ts
@@ -7,12 +7,10 @@
 
 import { TPromise } from 'vs/base/common/winjs.base';
 import { IChannel } from 'vs/base/parts/ipc/common/ipc';
-import { IChoiceService/*, Severity*/ } from 'vs/platform/message/common/message';
-
-// TODO@Sandeep implement these guys
+import { IChoiceService, Severity } from 'vs/platform/message/common/message';
 
 export interface IChoiceChannel extends IChannel {
-	// call(command: 'getInstalled'): TPromise<ILocalExtension[]>;
+	call(command: 'choose'): TPromise<number>;
 	call(command: string, arg: any): TPromise<any>;
 }
 
@@ -21,22 +19,22 @@ export class ChoiceChannel implements IChoiceChannel {
 	constructor(private service: IChoiceService) {
 	}
 
-	call(command: string, arg: any): TPromise<any> {
+	call(command: string, args: any): TPromise<any> {
 		switch (command) {
-			// case 'getInstalled': return this.service.getInstalled(arg);
+			case 'choose': return this.service.choose(<Severity>args[0], <string>args[1], <string[]>args[2]);
 		}
-
 		return TPromise.wrapError('invalid command');
 	}
 }
 
-export class ChoiceChannelClient /*implements IChoiceService*/ {
+export class ChoiceChannelClient implements IChoiceService {
 
 	_serviceBrand: any;
 
 	constructor(private channel: IChoiceChannel) { }
 
-	// getInstalled(type: LocalExtensionType = null): TPromise<ILocalExtension[]> {
-	// 	return this.channel.call('getInstalled', type);
-	// }
+	choose(severity: Severity, message: string, options: string[]): TPromise<number> {
+		return this.channel.call('choose', [severity, message, options]);
+	}
+
 }
\ No newline at end of file
diff --git a/src/vs/workbench/electron-browser/shell.ts b/src/vs/workbench/electron-browser/shell.ts
index fecf173822e1fcaaf7be8ed2faeb78f308fbef4d..5aa5f5dad682f13b3227f133ecfa2624b726ef36 100644
--- a/src/vs/workbench/electron-browser/shell.ts
+++ b/src/vs/workbench/electron-browser/shell.ts
@@ -59,6 +59,7 @@ import {ILifecycleService} from 'vs/platform/lifecycle/common/lifecycle';
 import {IMarkerService} from 'vs/platform/markers/common/markers';
 import {IEnvironmentService} from 'vs/platform/environment/common/environment';
 import {IMessageService, IChoiceService, Severity} from 'vs/platform/message/common/message';
+import {ChoiceChannel} from 'vs/platform/message/common/messageIpc';
 import {ISearchService} from 'vs/platform/search/common/search';
 import {IThreadService} from 'vs/workbench/services/thread/common/threadService';
 import {ICommandService} from 'vs/platform/commands/common/commands';
@@ -228,6 +229,9 @@ export class WorkbenchShell {
 
 		const sharedProcess = connectNet(this.environmentService.sharedIPCHandle, `window:${ this.windowService.getWindowId() }`);
 		sharedProcess.done(client => {
+
+			client.registerChannel('choice', new ChoiceChannel(this.messageService));
+
 			client.onClose(() => {
 				this.messageService.show(Severity.Error, {
 					message: nls.localize('sharedProcessCrashed', "The shared process terminated unexpectedly. Please reload the window to recover."),